|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $9,805,013 | $14,247,642 | $15,147,388 | $15,547,553 | $16,194,447 | $22,136,394 | $25,499,415 |
| Total | $9,805,013 | $14,247,642 | $15,147,388 | $15,547,553 | $16,194,447 | $22,136,394 | $25,499,415 |
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